Commits

Brad Ebinger authored 0c71404e772
Add handler callbacks to StateMachine Adds two callbacks to StateMachine that notify its user when (1) a message is about to be processed in the StateMachine and (2) after the StateMachine has successfully processed a message and has transitioned to a new State. Change-Id: I694793872a22f56b3092f5d8b39a116e385a64da